[Stable-25-3-1] Fix EvWrite INTERNAL_ERROR

[nikvas0]

Changelog entry

Fixed #29514 INTERNAL_ERROR for EvWrite if connection to client was lost.

Changelog category

• Bugfix

Description for reviewers

#29553

[github-actions]

⚪ 2025-11-26 08:48:20 UTC Pre-commit check linux-x86_64-release-asan for 3b21d6a has started.
⚪ 2025-11-26 08:48:35 UTC Artifacts will be uploaded here
⚪ 2025-11-26 08:52:15 UTC ya make is running...
🟡 2025-11-26 11:01:29 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
15666	15185	0	183	285	13

🟢 2025-11-26 11:02:49 UTC Build successful.
🟢 2025-11-26 11:03:20 UTC ydbd size 3.8 GiB changed* by +35.5 KiB, which is < 100.0 KiB vs stable-25-3-1: OK

ydbd size dash	stable-25-3-1: c461acf	merge: 3b21d6a	diff	diff %
ydbd size	4 054 534 832 Bytes	4 054 571 184 Bytes	+35.5 KiB	+0.001%
ydbd stripped size	1 511 057 504 Bytes	1 511 068 640 Bytes	+10.9 KiB	+0.001%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

🟢 2025-11-26 08:48:42 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-11-26 11:37:04 UTC Pre-commit check linux-x86_64-relwithdebinfo for 3b21d6a has started.
⚪ 2025-11-26 11:37:21 UTC Artifacts will be uploaded here
⚪ 2025-11-26 11:41:04 UTC ya make is running...
🟡 2025-11-26 13:12:26 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
38345	35666	0	9	2651	19

⚪ 2025-11-26 13:15:34 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-11-26 13:35:01 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
722 (only retried tests)	700	0	3	2	17

⚪ 2025-11-26 13:35:13 UTC ya make is running... (failed tests rerun, try 3)
🟢 2025-11-26 13:50:29 UTC Tests successful.

Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
533 (only retried tests)	516	0	0	0	17

🟢 2025-11-26 13:50:37 UTC Build successful.
🟢 2025-11-26 13:50:53 UTC ydbd size 2.3 GiB changed* by +22.6 KiB, which is < 100.0 KiB vs stable-25-3-1: OK

ydbd size dash	stable-25-3-1: c461acf	merge: 3b21d6a	diff	diff %
ydbd size	2 436 622 280 Bytes	2 436 645 432 Bytes	+22.6 KiB	+0.001%
ydbd stripped size	521 774 152 Bytes	521 782 216 Bytes	+7.9 KiB	+0.002%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}